<template>
	<section>
		<!--工具条-->
		<el-col :span="24" class="toolbar" style="padding-bottom: 0px;">
			<el-form :inline="true" :model="filters">
        <el-form-item>
          <el-input v-model="keyword" placeholder="请输入关键字"></el-input>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" v-on:click="keywordQuery">查询</el-button>
        </el-form-item>
				<el-form-item>
					<el-button type="primary" @click="handleAdd">新增</el-button>
				</el-form-item>
			</el-form>
		</el-col>

		<!--列表-->
		<el-table :data="employees" highlight-current-row :row-key="getRowKey" v-loading="listLoading" @selection-change="selsChange" style="width: 100%;">
			<el-table-column type="selection" width="55">
			</el-table-column>
			<el-table-column type="index" width="60">
			</el-table-column>
			<el-table-column prop="username" label="员工名称" width="100">
			</el-table-column>
			<el-table-column prop="age" label="年龄" width="100" sortable>
      </el-table-column>
      <el-table-column prop="phone" label="员工电话" width="120">
      </el-table-column>
      <el-table-column prop="email" label="员工邮箱" width="120" >
			</el-table-column>
      <el-table-column prop="password" label="密码" width="120" >
      </el-table-column>
			<el-table-column prop="department.name" label="所属部门" width="80" >
			</el-table-column>
      <el-table-column label="员工状态" width="100" >
        <template scope="scope">
          <span v-if="scope.row.state==1" style="color: #00ff00">启用</span>
          <span v-else style="color: #ff0000">禁用</span>
        </template>
      </el-table-column>
      <el-table-column label="员工类型" width="120" >
        <template scope="scope">
          <span v-if="scope.row.shop" style="color: gray">店铺管理员</span>
          <span v-else style="color: magenta">平台管理员</span>
        </template>
      </el-table-column>
			<el-table-column label="操作" >
				<template scope="scope">
					<el-button size="small" @click="handlesave(scope.$index, scope.row)">编辑</el-button>
					<el-button type="danger" size="small" @click="handleDel(scope.$index, scope.row)">删除</el-button>
				</template>
			</el-table-column>
		</el-table>

		<!--工具条-->
		<el-col :span="24" class="toolbar">
			<el-button type="danger" @click="batchRemove" :disabled="this.sels.length===0">批量删除</el-button>
			<el-pagination layout="prev, pager, next" @current-change="handleCurrentChange" :current-page="currentPage" :page-size="pageSize" :total="totals" style="float:right;">
			</el-pagination>
		</el-col>

		<!--编辑界面-->
		<el-dialog :title="title" :visible.sync="saveFormVisible" :close-on-click-modal="false">
			<el-form :model="saveForm" label-width="80px" :rules="saveFormRules" ref="saveForm">
				<el-form-item label="员工名称" prop="username">
					<el-input v-model="saveForm.username" auto-complete="off"></el-input>
				</el-form-item>
        <el-form-item label="年龄">
          <el-input-number v-model="saveForm.age" :min="0" :max="200"></el-input-number>
        </el-form-item>
				<el-form-item label="员工电话" prop="phone">
					<el-input v-model="saveForm.phone" auto-complete="off"></el-input>
				</el-form-item>
				<el-form-item label="员工邮箱">
					<el-input v-model="saveForm.email" auto-complete="off"></el-input>
				</el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="saveForm.password" auto-complete="off"></el-input>
        </el-form-item>

        <el-form-item label="状态">
          <el-radio-group v-model="saveForm.state">
            <el-radio class="radio" :label="1" >启用</el-radio>
            <el-radio class="radio" :label="0" >禁用</el-radio>
          </el-radio-group>
        </el-form-item>
      <el-form-item label="所属部门">

        <el-select v-model="saveForm.departmentId" placeholder="请选择">
          <el-option v-for="item in departments"
                     :label="item.name"
                     :value="item.id">
          </el-option>
        </el-select>
      </el-form-item>
      <el-form-item label="角色">
        <el-select v-model="saveForm.roleId" placeholder="请选择">
          <el-option v-for="item in roles"
                     :label="item.name"
                     :value="item.id">
          </el-option>
        </el-select>
      </el-form-item>
      </el-form>
			<div slot="footer" class="dialog-footer">
				<el-button @click.native="saveFormVisible = false">取消</el-button>
				<el-button type="primary" @click.native="saveSubmit" :loading="saveLoading">提交</el-button>
			</div>
		</el-dialog>


	</section>
</template>

<script>
	export default {
		data() {
			return {
			  // 1.分页查询
        listLoading: false,
        employees: [],
        totals: 0,
        pageSize: 5,
        currentPage: 1,

      // 2.高级查询
        keyword: '',

				sels: [],//列表选中列

        // 添加或修改
        saveFormVisible: false,//编辑界面是否显示
        title: "",
        saveLoading: false,
        saveFormRules: {
          username: [
            { required: true, message: '请输入员工名称', trigger: 'blur' }
          ],
          phone: [
            { required: true, message: '请输入员工电话', trigger: 'blur' }
          ],
          password: [
            { required: true, message: '请输入密码', trigger: 'blur' }
          ]
        },
				//编辑界面数据
				saveForm: {
          id: null,
          username: '',
          phone: '',
          email: '',
          password: '1',
          age: 0,
          state: 1,
          departmentId: null,
          roleId:null
				},
        roles:[],//显示所有的角色 - 方便员工选择角色
        //5.保存所属部门
        departments:[],

			}
		},
		methods: {
      getRoles(){
        this.$http.get("/role").then(res=>{
          this.roles = res.data;
        })
      },
      //1.获取员工列表
      getEmployees() {
        let paras = {
          currentPage: this.currentPage,
          pageSize: this.pageSize,
          keyword: this.keyword
        };
        this.listLoading = true;
        this.$http.post("/employee",paras).then(res=>{
          this.employees = res.data.data;
          this.totals = res.data.totals;
          this.listLoading = false;
        }).catch(res=>{
          this.$message.error("系统繁忙，请稍后重试！");
        })

      },
      //2.分页查询 - 点击分页栏触发方法
      handleCurrentChange(val) {
        this.currentPage = val;
        this.getEmployees();
      },
      //3.高级查询处理bug
      keywordQuery(){
        // 设置当前页为1
        this.currentPage = 1;
        this.getEmployees();
      },

			//4.删除
			handleDel: function (index, row) {
				this.$confirm('确认删除该记录吗?', '提示', {
					type: 'warning'
				}).then(() => {
					this.listLoading = true;
				  this.$http.delete("/employee/" + row.id).then(res=>{
				    // 成功之后的处理
            if(res.data.success){
              // 计算总页数 = 最后一页
              let totalPage = Math.ceil(this.totals/this.pageSize);
              // 如果当前页是最后一页，且是最后一条数据，并且不是第一页，当前页 = 当前页-1
              if(this.currentPage==totalPage && (this.totals-1)%this.pageSize==0 && this.currentPage!=1) {
                this.currentPage = this.currentPage - 1;
              }
              this.getEmployees();
            }else {
              this.$message.error("系统繁忙，请稍后重试！！")
            }
            this.listLoading = false;
				  }).catch(res=>{
            this.$message.error("系统繁忙，请稍后重试！！")
          })

        })

			},
      //5.选项改变的时候触发：参数时每一个选中的对象
      selsChange: function (sels) {
        this.sels = sels;
      },
      // 6.批量删除
      batchRemove: function () {
        var ids = this.sels.map(item => item.id);//数组 [1,3,5]
        this.$confirm('确认删除选中记录吗？', '提示', {
          type: 'warning'
        }).then(() => { //点击确定走这里
          this.listLoading = true;
          this.$http.patch("/employee",ids).then(res=>{
            if(res.data.success){
              this.currentPage = 1;
              this.getEmployees();
            }else{
              this.$message.error("系统繁忙(500),请稍后重试！")
            }
            this.listLoading = false;
          }).catch(res=>{
            this.$message.error("系统繁忙(404/400),请稍后重试！")
          })
        }).catch(() => {
        });
      },
			//显示编辑界面
			handlesave: function (index, row) {
        this.title = "编辑";
				this.saveFormVisible = true;
				this.saveForm = Object.assign({}, row);
				this.getDepartments();
        this.getRoles();
			},
			//显示新增界面
			handleAdd: function () {
        this.title = "添加";
				this.saveForm = {
          id: null,
          username: '',
          age: 0,
          state: 1,
          email: '',
          department_id: null,
          password: ''
				};
        this.getDepartments();
        this.getRoles();
        this.saveFormVisible = true;
			},
			//编辑
			saveSubmit: function () {
				this.$refs.saveForm.validate((valid) => {
					if (valid) {
						this.$confirm('确认提交吗？', '提示', {}).then(() => {
							this.saveLoading = true;
              this.$http.put("/employee",this.saveForm).then(res=>{
                if(res.data.success){
                  this.getEmployees();
                }else{
                  this.$message.error("系统繁忙(500),请稍后重试！")
                }
                this.saveLoading = false;
              }).catch(res=>{
                this.$message.error("系统繁忙(404/400),请稍后重试！")
                this.saveLoading = false;
              })
              //关闭对话框
              this.saveFormVisible = false;
						});
					}
				});
			},
      // 获取所有的所属部门
      getDepartments(){
        this.$http.get("/department").then(res=>{
          this.departments = res.data;
        })
      },
    //仅仅是用来区分每一个对象的唯一标识
      getRowKey(row){
        return row.id;
        //return row.sn;//同上
      }
		},
		mounted() {
			this.getEmployees();
		}
	}

</script>

<style scoped>

</style>